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单词 para-aminobenzoic acid
释义

para-aminobenzoic acid


par·a-a·mi·no·ben·zo·ic acid

P0056000 (păr′ə-ə-mē′nō-bĕn-zō′ĭk, -ăm′ə-)n. See PABA.

para-aminobenzoic acid

n (Biochemistry) biochem an acid present in yeast and liver: used in the manufacture of dyes and pharmaceuticals. Formula: C6H4(NH2)COOH

par′a-a•mi•no•ben•zo′ic ac′id

(ˈpær ə əˌmi noʊ bɛnˈzoʊ ɪk, -ˌæm ə noʊ-)

n. a yellowish, crystalline solid, C7H7NO2, that is a component of the vitamin B complex. Abbr.: PABA [1905–10]

para-aminobenzoic acid


para-aminobenzoic acid

(pâr`ə-əmē`nōbĕnzōĭk): see vitaminvitamin,
group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes, or they form integral parts of coenzymes.
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para-aminobenzoic acid

[¦par·ə ə¦mē·nō‚ben¦zō·ik ′as·əd] (biochemistry) C7H7O2N A yellow-red, crystalline compound that is part of the folic acid molecule; essential in metabolism of certain bacteria. Abbreviated PABA.

para-aminobenzoic acid


p-aminobenzoic acid

 (PAB) (PABA) [ah-me″no-ben-zo´ik] a substance required for the synthesis of folic acid by many organisms; it is included in the B vitamin complex, although it is not an essential nutrient for humans. It is synthesized by many bacteria; sulfonamides act by blocking its synthesis; it also absorbs ultraviolet light, specifically UVB rays, and is used as aminobenzoic acid as a topical sunscreen.

para-aminobenzoic acid

(păr′ə-ə-mē′nō-bĕn-zō′ĭk, -ăm′ə-)n. See PABA.
AcronymsSeePABAThesaurusSeeacid
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更新时间:2024/11/11 22:50:24